[go: up one dir, main page]

CN203616740U - Touch panel - Google Patents

Touch panel Download PDF

Info

Publication number
CN203616740U
CN203616740U CN201320797336.6U CN201320797336U CN203616740U CN 203616740 U CN203616740 U CN 203616740U CN 201320797336 U CN201320797336 U CN 201320797336U CN 203616740 U CN203616740 U CN 203616740U
Authority
CN
China
Prior art keywords
electrode
conductive pattern
touch pads
connecting portion
described connecting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320797336.6U
Other languages
Chinese (zh)
Inventor
陈均合
王宗裕
苏国彰
邓志容
谢其铭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wintek Corp
Original Assignee
Wintek Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wintek Corp filed Critical Wintek Corp
Application granted granted Critical
Publication of CN203616740U publication Critical patent/CN203616740U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0446Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1613Constructional details or arrangements for portable computers
    • G06F1/1633Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G06F1/169Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being an integrated pointing device, e.g. trackball in the palm rest area, mini-joystick integrated between keyboard keys, touch pads or touch stripes
    • G06F1/1692Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being an integrated pointing device, e.g. trackball in the palm rest area, mini-joystick integrated between keyboard keys, touch pads or touch stripes the I/O peripheral being a secondary touch screen used as control interface, e.g. virtual buttons or sliders
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0443Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0448Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04111Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Quality & Reliability (AREA)
  • Position Input By Displaying (AREA)

Abstract

The utility model discloses a touch pad, including having the base plate in light-shielding district and printing opacity district, setting up first conductive pattern on the base plate and setting up the second conductive pattern on the base plate in light-shielding district. The first conductive pattern comprises a plurality of peripheral electrodes which respectively extend from the light-transmitting area to the light-shielding area. Each peripheral electrode comprises a connecting part which is positioned in the shading area, wherein each connecting part is provided with two first side edges which are opposite to each other in the direction parallel to the boundary of the light-transmitting area. The second conductive pattern includes a plurality of connection electrodes, and each connection electrode is partially overlapped with and electrically connected to each connection portion, wherein each connection electrode has two second sides opposite to each other in the direction, and the second sides are located between the first sides.

Description

Touch pad
Technical field
The utility model relates to a kind of touch pad, and particularly relates to a kind of syndeton of the first conductive pattern and the second conductive pattern of touch pad.
Background technology
Touch pad, owing to having the characteristic of human-computer interaction, has been widely used on the outport input interface of instrument.In recent years, along with the application surface development of consumption electronic products is wider, touch controllable function is combined with display and to form the application product of touch control display apparatus also more, for example: mobile phone (mobile phone), satellite navigation system (GPS navigator system), flat computer (tablet PC), personal digital assistant (PDA) and notebook (laptop PC) etc.Conventional touchpads is to come the position of finger sensing touch touch pad by many transparency electrode serials.Described transparency electrode serial recycling plain conductor is electrically connected to driving/sensing controller outside Touch Zone.But, when touch pad dwindles or when its resolution increases, spacing between wantonly two adjacent transparency electrode serials also relatively reduces, therefore plain conductor the serial of difficult aligning transparency electrode, formed plain conductor is easily electrically connected with two adjacent transparency electrode serials, and causes short circuit.
Utility model content
The purpose of this utility model is to provide a kind of touch pad, to solve the problem of the easy short circuit of above-mentioned existing plain conductor.
For achieving the above object, the utility model provides a kind of touch pad, comprises substrate, the first conductive pattern and the second conductive pattern.Substrate has a shading region and a photic zone.The first conductive pattern is arranged on substrate, and the first conductive pattern comprises multiple peripheral electrodes, and at least the peripheral electrode of part extends to shading region from photic zone respectively.Each peripheral electrode comprises a junction, and wherein each connecting portion has two first sides respect to one another, and between the first side of each connecting portion, has one first spacing.Second conductive pattern of at least a portion is arranged on the substrate of shading region.The second conductive pattern comprises multiple connecting electrodes, and each connecting electrode partly overlaps and is electrically connected with each connecting portion respectively, wherein each connecting electrode has two second sides respect to one another, between the second side of each connecting electrode, there is one second spacing, and second side is between first side.
For achieving the above object, the utility model provides a kind of touch pad, comprises substrate, the first conductive pattern and the second conductive pattern.Substrate has a shading region and a photic zone.The first conductive pattern is arranged on substrate, and the first conductive pattern comprises multiple peripheral electrodes, and at least the peripheral electrode of part extends to shading region from photic zone respectively.Each peripheral electrode comprises a junction, and wherein each connecting portion has two first sides respect to one another, and between the first side of each connecting portion, has one first spacing.Second conductive pattern of at least a portion is arranged on the substrate of shading region.The second conductive pattern comprises multiple connecting electrodes, and each connecting electrode and each connecting portion partly overlap and are electrically connected, wherein each connecting electrode has two second sides respect to one another, has one second spacing between the second side of each connecting electrode, is equal to or less than the first spacing.
When touch pad of the present utility model is between the first side at each connecting portion or respectively in the same plane with each first side in the end points of each electrode part, the second side of each connecting electrode is between the first side of each connecting portion, to increase the spacing of each connecting electrode and adjacent each connecting portion, and then avoid the connecting electrode excessive caused because of fabrication error and the situation of two adjacent connecting portion short circuits to occur.
Accompanying drawing explanation
Figure 1A is depicted as the vertical view of the touch pad of the utility model the first embodiment.
Figure 1B is depicted as the vertical view of the change type of the touch pad of the utility model the first embodiment.
Figure 2 shows that the enlarged diagram of Figure 1B region A.
Figure 3 shows that the cut-open view of Fig. 2 along Section line A-A '.
Figure 4 shows that the cut-open view of Fig. 2 along Section line B-B '.
Figure 5 shows that the enlarged diagram of the connecting electrode of the utility model the first embodiment.
Figure 6 shows that the cut-open view of the touch pad of the utility model the second embodiment.
Figure 7 shows that the schematic diagram of the touch pad of the utility model the 3rd embodiment.
Figure 8 shows that the schematic diagram of the touch pad of the utility model the 4th embodiment.
Figure 9 shows that the schematic diagram of the touch pad of the utility model the 5th embodiment.
Figure 10 shows that the schematic diagram of the touch pad of the utility model the 6th embodiment.
Figure 11 shows that the cut-open view of the touch pad of the utility model the 7th embodiment.
Figure 12 shows that the method for making process flow diagram of the touch pad of the utility model the 7th embodiment.
Figure 13 shows that the schematic diagram of the decorating unit of the 7th embodiment of the present utility model.
Figure 14 shows that the another change type of the decorating unit of the 7th embodiment of the present utility model.
Figure 15 shows that the cut-open view of the touch pad of the 8th embodiment of the present utility model.
Figure 16 shows that the cut-open view of the touch pad of the 9th embodiment of the present utility model.
Figure 17 shows that the vertical view of the touch pad of the tenth embodiment of the present utility model.
Figure 18 shows that the cut-open view of Figure 17 along Section line C-C '.
Figure 19 shows that the vertical view of the touch pad of the 11 embodiment of the present utility model.
Figure 20 shows that the cut-open view of Figure 19 along Section line D-D '.
Figure 21 is depicted as the vertical view of the touch pad of the 12 embodiment of the present utility model.
Figure 22 is depicted as the cut-open view of Figure 21 along Section line E-E '.
Figure 23 is depicted as the touch pad of the 13 embodiment of the present utility model.
Figure 24 is depicted as the touch pad of the 14 embodiment of the present utility model.
Wherein, description of reference numerals is as follows:
100,150,200,300,400,500,600,700,800,900,1000,1100,1200,1300 touch pads
102 substrates
102a photic zone
102b shading region
102c connection gasket district
104 first conductive patterns
106 second conductive patterns
108 contre electrodes
108a the first contre electrode
108b the second contre electrode
110 peripheral electrodes
110a the first peripheral electrode
110b the second peripheral electrode
112 first directions
114 second directions
116 connecting electrodes
116a hole
118,902,1206 connecting lines
120,904 connecting portions
122 electrode parts
152,606,910 decorating units
202 void are put electrode
602 ground-electrodes
604 the 3rd conductive patterns
606a the first opening
608,908,1102,1208 insulation courses
608a the second opening
610 oxide layers
612 first decorative layers
612a, 614a lower surface
612b, 614b upper surface
612c, 614c sidewall
614 second decorative layers
616 the 3rd decorative layers
618 light shield layers
620 decorative layers
620a bottom
620b top
902a the first connecting line
902b the second connecting line
904a the first connecting portion
904b the second connecting portion
906,1204 interior ground wires
1102a perforation
1104 protective wires
1106 guard electrodes
1202a the first electrode
1202b the second electrode
A region
L1 the first spacing
L2 the second spacing
S1 first side
S2 second side
P end points
W1 the first breadth extreme
W2 the second breadth extreme
S10, S12, S14, S16, S18, S20, S22 step
Embodiment
Please refer to Figure 1A to Fig. 4, Figure 1A is the vertical view of the touch pad of the utility model the first embodiment, Figure 1B is the vertical view of the change type of the touch pad of the utility model the first embodiment, Fig. 2 is the enlarged diagram of Figure 1B region A, Fig. 3 is the cut-open view of Fig. 2 along Section line A-A ', and Fig. 4 is the cut-open view of Fig. 2 along Section line B-B '.As shown in Figure 1A and Figure 1B, the touch pad 100 of the present embodiment comprises substrate 102, the first conductive pattern 104 and the second conductive pattern 106.Substrate 102 has photic zone 102a and shading region 102b, and wherein shading region 102b is positioned at least one side of photic zone 102a, and as shown in Figure 1A, but not as limit, shading region 102b also can be as shown in Figure 1B around being arranged on around the 102a of photic zone.Substrate 102 can be the transparency carriers such as glass substrate, quartz base plate or plastic base; but be not limited to this; it can be also for example transparent overlay; what transparent overlay can comprise that glass cover, plastic covering plate or other have that high mechanical properties material forms have protection (for example scratch resistant), cover or beautify the overlay of its corresponding intrument, and the thickness of transparent overlay can be between 0.2~2mm.Transparent overlay can be flat shape, curve form or aforesaid combination, for example, be 2.5D glass, but not as limit.In addition, also can be chosen in the side that transparent overlay operates towards user one antifouling plated film (Anti-Smudge Coating) is set.And, the first conductive pattern 104 is arranged on substrate 102, and at least the first conductive pattern 104 of part can extend to shading region 102b from photic zone 102a, the position that touches or approach touch pad 100 for induction touching thing, therefore the first conductive pattern 104 can comprise a transparent conductive material (for example: tin indium oxide or indium zinc oxide) or net metal (metal mesh).Wherein, net metal can comprise that lighttight metal material or thickness are thinned to the metal material of light-permeable, but is not limited to this.The second conductive pattern 106 is arranged on the substrate 102 in the 102b of shading region, and for example, for driving the signal of the first conductive pattern 104 or the signal that the first conductive pattern 104 is sensed to be passed to Control Component: drive sensor chip.The second conductive pattern 106 can comprise metal.In addition, it is worth mentioning that, the second conductive pattern 106 also can be other conductive material, the transparent conductive materials such as such as tin indium oxide, so, the second conductive pattern 106 does not limit and must all be arranged on shading region 102b, namely, at least the second conductive pattern 106 of part can be arranged on the substrate 102 of shading region 102b, and 106 of second conductive patterns of all the other parts can be arranged on photic zone 102a, and can not affect and look effect.Shading region 102b is for covering the second conductive pattern 106, control chip or signal transmission line etc., so that human eye can not seen described assembly.Therefore, the scope of shading region 102b can decide according to the setting position of the second conductive pattern 106, control chip or signal transmission line.The shading region 102b of the present embodiment is around photic zone 102a, and photic zone 102a arranges with viewing area and surrounding zone that shading region 102b can distinguish the display panel of corresponding and touch pad 100 combinations, to avoid shading region 102b to cover the shown picture of display panel, but be not limited to this.
In the present embodiment, the first conductive pattern 104 comprises multiple contre electrodes 108 and multiple peripheral electrodes 110, wherein contre electrode 108 is arranged in the 102a of photic zone, and can divide into the first contre electrode 108a and the second contre electrode 108b, and at least the peripheral electrode 110 of part is arranged on the intersection of photic zone 102a and shading region 102b, and peripheral electrode 110 at least partly extends to shading region 102b from photic zone 102a respectively.At least the peripheral electrode 110 of part also can be divided into the first peripheral electrode 110a and the second peripheral electrode 110b.The first all contre electrode 108a and the first all peripheral electrode 110a arrange with matrix-style, and the second all contre electrode 108b and the second peripheral electrode 110b arrange with matrix-style.And every a line the first contre electrode 108a and the first peripheral electrode 110a and every a line the second contre electrode 108b and the second peripheral electrode 110b are along sequentially alternative arrangement of first direction 112.The the first contre electrode 108a and the first peripheral electrode 110a that are positioned at same row are electrically connected one another along first direction 112 and form one first electrode serial, and the second contre electrode 108b and the second peripheral electrode 110b that are positioned at same a line are electrically connected one another along second direction 114 and form one second electrode serial, wherein the first electrode serial and the second electrode serial are interlaced.Thus, the second electrode serial can be used for determining that touching thing is in the position of first direction 112, and the first electrode serial can be used for determining that touching thing is in the position of second direction 114.For instance, each contre electrode 108 and each peripheral electrode 110 are because intercoupling and produce respectively a coupling capacitance with adjacent contre electrode or peripheral electrode, and therefore the total capacitance value of the total capacitance value of each the first electrode serial and each the second electrode serial is formed by connecting by multiple coupling capacitances respectively.Due to the coupling capacitance of touching thing touch touch pad 100 corresponding its positions of meeting change, therefore can learn the position of touching thing by the variation of detecting total capacitance value.Furthermore, in the time that the touch pad 100 of the present embodiment drives to hold mutually formula (mutual capacitance) sensing mode, Control Component can transmit signal to each the first electrode serial in different time points, and Control Component can receive the signal that each the second electrode total capacitance value that serial senses changes, therefore Control Component can learn that the coupling capacitance at each first electrode serial and the second electrode array line interlacing place changes, and then can judge the position of touching thing.In the case, the first electrode serial is as the electrode serial for transmitting signal, and the second electrode serial is as the electrode serial for sensing touching thing, but the utility model is not limited to this, and the first electrode serial of the present utility model and the second electrode serial also interchangeable.In addition, in the time that the touch pad 100 of the present embodiment is detected the position of touching thing in self-tolerant (self capacitance) sensing mode, the total capacitance value that Control Component is detected each the first electrode serial and each the second electrode serial changes, and therefore can judge the position of touching thing.In the case, each the first electrode serial and each the second electrode serial are the electrode serials as sensing touching thing.
In the present embodiment, each contre electrode 108 can be rhombus, but is not limited to this shape, and each contre electrode 108 has one first breadth extreme W1, namely cornerwise length of parallel this direction in the direction on the border of parallel transmitted light district 102a.For instance, in the time that the direction on the border of parallel transmitted light district 102a is first direction 112, the first breadth extreme W1 is that each contre electrode 108 is in cornerwise length of first direction 112.In the time that the direction on the border of parallel transmitted light district 102a is second direction 114, the first breadth extreme W1 is that each contre electrode 108 is in cornerwise length of second direction 114.In addition, each peripheral electrode 110 is similar triangle, and its width is along with closely and more larger apart from shading region 102b.But the utility model is not limited to this, and the pattern of overlooking of contre electrode of the present utility model is not limited to rhombus, and the pattern of overlooking of peripheral electrode is not limited to similar triangle, and the pattern of overlooking of contre electrode and peripheral electrode can be other shape.
In addition, the second conductive pattern 106 comprises multiple connecting electrodes 116 and many connecting lines 118.Wherein, each connecting electrode 116 is electrically connected with each peripheral electrode 110, and each connecting line 118 connects each connecting electrode 116, for example, in order to each the first electrode serial and each the second electrode serial are electrically connected to Control Component: driving chip.
The structure below each further description connecting electrode 116 and each peripheral electrode 110 being electrically connected.As shown in Figures 2 to 4, at least the peripheral electrode 110 of part comprises a junction 120 and an electrode part 122, wherein at least the electrode part 122 of part extends to shading region 102b from photic zone 102a, in order to transmit signal or sensing touching thing, and each connecting portion 120 is electrically connected with each electrode part 122, in order to be electrically connected with each connecting electrode 116 respectively.Each connecting portion 120 has two first side S1 respect to one another in the direction on the border of parallel transmitted light district 102a, and between the first side S1 of each connecting portion 120, has one first spacing L1, and namely each connecting portion 120 is in the length that this side up.For instance, with the second peripheral electrode 110b, the direction on the border of parallel transmitted light district 102a is first direction 112, and the direction on the border of vertical light transmission district 102a is second direction 114.With the first peripheral electrode 110a, the direction on the border of parallel transmitted light district 102a is second direction 114, and the direction on the border of vertical light transmission district 102a is second direction 112.The direction on the border of following parallel transmitted light district 102a is with first direction 112, and the direction on the border of vertical light transmission district 102a explains as an example of second direction 114 example, but not as limit.
In addition, each electrode part 122 has two end points P on first direction 112.In the present embodiment, each end points P and each first side S1 are in the same plane in fact, are positioned in second direction 114.That is to say, each electrode part 122 has the second breadth extreme W2 on first direction 112, and the first spacing L1 equals in fact the second breadth extreme W2.Moreover the second breadth extreme W2 is equal to or less than the first breadth extreme W1 of each contre electrode 108, and the first spacing L1 can be equal to or less than the first breadth extreme W1.
In addition, each connecting electrode 116 partly overlaps and is electrically connected with each connecting portion 120, and each connecting electrode 116 has two second side S2 respect to one another on first direction 112, and between the S2 of second side, there is one second spacing L2, the namely length of each connecting electrode 116 in second direction 114, be less than the first breadth extreme W1, to avoid two adjacent connecting electrodes 116 to contact.It should be noted that, between the S1 of S2 first side, second side, that is to say that the first spacing L1 of each connecting portion 120 is greater than the second spacing L2 of each connecting electrode 116, and the overlapping part of each connecting electrode 116 and each connecting portion 120 is between the S1 of first side, and do not exceed the first side S1 of each connecting portion 120.Thus, the present embodiment is by the second side S2 of each connecting electrode 116 being arranged on to the spacing that can effectively increase each connecting electrode 116 and adjacent each connecting portion 120 between the first side S1 of each connecting portion 120, and then avoids the situation that is adjacent connecting portion 120 or connecting electrode 116 short circuits because of excessive the caused connecting electrode 116 of fabrication error to occur.Whereby, can promote the yield of the touch pad 100 of making the present embodiment.In the present embodiment, each connecting portion 120 is arranged between each connecting electrode 116 and substrate 102.And each connecting electrode 116 extends on substrate 102 from each connecting portion 120.It should be noted that, each connecting line 118 connects respectively not overlapping with each connecting portion 120 part of each connecting electrode 116, can avoid whereby the situation that produces broken string because extend to high low head on substrate 102 from each connecting portion 120 that is connected of each connecting line 118 and each connecting electrode 116.
Please refer to Fig. 5, Fig. 5 is the enlarged diagram of the connecting electrode of the utility model the first embodiment.As shown in Figure 5, connecting electrode 116 alternatives comprise multiple hole 116a, to promote the thermal stress of connecting electrode 116.The hole 116a of the present embodiment can be any shape, for example circle, ellipse or strip etc., and the arrangement mode of hole 116a can adjust according to actual demand.When connecting electrode does not have hole and its area when larger, connecting electrode more easily produces explosion under hot conditions, and causes the electric connection of connecting electrode and connecting portion bad.Therefore, the connecting electrode 116 of the present embodiment can promote because having hole 116a the stress that bears high temperature, and then can avoid that area because of connecting electrode 116 is excessive produces explosion.In alternate embodiment of the present utility model, in order to make the first conductive pattern have preferably conductive characteristic, the first conductive pattern is preferably made with hot conditions.Therefore, when form the step of the second conductive pattern be carried out at the step that forms the first conductive pattern before time, connecting electrode can more can avoid producing explosion in the time forming the first conductive pattern because having hole.
Touch pad of the present utility model is not limited with above-described embodiment.Below will continue introduce other embodiment of the present utility model or change shape, so for the purpose of simplifying the description and highlight each embodiment or change the difference between shape, hereinafter using same numeral mark same components, and no longer counterweight again part repeat.
Please refer to Fig. 6, Fig. 6 is the cut-open view of the touch pad of the utility model the second embodiment.As shown in Figure 6, compared to the first embodiment, the touch pad 150 of the present embodiment also comprises a decorating unit 152, is arranged between connecting portion 120 and substrate 102 and between connecting electrode 116 and substrate 102.That is to say, decorating unit 152 is formed on substrate 102 with connecting electrode 116 in forming connecting portion 120 before, and the touch pad 150 that makes the present embodiment is one side conductive layer (SITO) structure.And decorating unit 152 is arranged in the 102b of shading region, and be positioned at the assemblies such as connecting electrode 116, control chip or the signal transmission line of shading region 102b for covering.Decorating unit 152 can comprise at least one decorative layer, and decorative layer comprise insulating material for example pottery, color ink, photoresistance, class bore charcoal or resin material at least one of them, but be not limited to this.In alternate embodiment of the present utility model, in order to make the first conductive pattern have preferably conductive characteristic, the first conductive pattern is preferably made with hot conditions, and therefore the phenomenon of volumetric expansion or escape of gas easily occurs because of hot conditions decorating unit.Although the interception that this volume change or escape of gas provide decorating unit does not cause the impact showing, decorating unit can produce stress to the second conductive pattern.Particularly, in the time that the area of connecting electrode is larger, the probability that produces explosion is higher.Therefore, connecting electrode also alternative comprises multiple holes, the thermal stress of being born to reduce, and avoid producing explosion, as shown in Figure 5.
Please refer to Fig. 7, Fig. 7 is the schematic diagram of the touch pad of the utility model the 3rd embodiment.As shown in Figure 7, the difference of the present embodiment and the first embodiment is, the end points P of each electrode part 122 of the touch pad 200 of the present embodiment is between the S1 of the first side of each connecting portion 120.That is to say, the first spacing L1 is greater than in fact the second breadth extreme W2.And the end points P of each electrode part 122 can be between the S2 of the second side of each connecting electrode 116, make the second spacing L2 be greater than the second breadth extreme W2.And the second side S2 of each connecting electrode 116 still, between the S1 of the first side of each connecting portion 120, occurs with the situation of avoiding connecting electrode 116 to be adjacent connecting portion 120 or connecting electrode 116 short circuits.In addition, the touch pad 200 of the present embodiment also comprises that multiple void puts electrode 202, is separately positioned between peripheral electrode 110 and contre electrode 108 and is arranged between each connecting portion 120 and each electrode part 122, but being not limited to this.
Please refer to Fig. 8, Fig. 8 is the schematic diagram of the touch pad of the utility model the 4th embodiment.As shown in Figure 8, the difference of the present embodiment and the first embodiment is, each connecting electrode 116 of the touch pad 300 of the present embodiment is arranged between each connecting portion 120 and substrate 102.
Please refer to Fig. 9, Fig. 9 is the schematic diagram of the touch pad of the utility model the 5th embodiment.As shown in Figure 9, the difference of the present embodiment and the first embodiment is, the first side S1 of each connecting portion 120 of the touch pad 400 of the present embodiment is between the end points P of each electrode part 122.That is to say, the first spacing L1 of each connecting portion 120 is less than the second breadth extreme W2 of each electrode part 122, therefore also can be less than the first breadth extreme W1 of each contre electrode 108.In addition, the first side S1 of each connecting portion 120 of the present embodiment is between the S2 of the second side of each connecting electrode 116, and the second side S2 of each connecting electrode 116 is between the end points P of each electrode part 122.That is to say, the first spacing L1 of each connecting portion 120 is less than the second spacing L2 of each connecting electrode 116, and the second spacing L2 of each connecting electrode 116 is less than the second breadth extreme W2 of each electrode part 122.Whereby, when touch pad 400 has static discharge (electrostatic discharge, ESD) while generation, static can select to flow to the connecting electrode 116 with less impedance, therefore can avoid static to flow directly into the contre electrode 108 in the 102a of photic zone, and avoid electrostatic breakdown contre electrode 108 and peripheral electrode 110.In addition,, in alternate embodiment of the present utility model, each connecting electrode also can be arranged between each connecting portion and substrate.
Please refer to Figure 10, Figure 10 is the schematic diagram of the touch pad of the utility model the 6th embodiment.As shown in figure 10, the difference of the present embodiment and the 5th embodiment is, each first side S1 of each connecting portion 120 of the touch pad 500 of the present embodiment also can be in alignment with each other in fact with each second side S2 of each connecting electrode 116 respectively and be in the same plane.That is to say, the first spacing L1 of each connecting portion 120 equals the second spacing L2 of each connecting electrode 116.And the first spacing L1 of each connecting portion 120 and the second spacing L2 of each connecting electrode 116 are less than the second breadth extreme W2 of each electrode part 122.
Please refer to Figure 11 and Figure 12, Figure 11 is the cut-open view of the touch pad of the utility model the 7th embodiment, and Figure 12 is the method for making process flow diagram of the touch pad of the utility model the 7th embodiment, and carries out following explanation as an example of Figure 1B example.As shown in Figure 11 and Figure 12, compared to the first embodiment, the touch pad 600 of the present embodiment is one side conductive layer (SITO) structure, and the second conductive pattern 106 also comprises a ground-electrode 602, be arranged between connecting electrode 116 and photic zone 102a, wherein ground-electrode 602 is electrically connected to an earthing potential, and is electrically insulated with the first conductive pattern 104.In alternate embodiment of the present utility model, ground-electrode alternative is around photic zone 102a, but is not limited to this.And the touch pad 600 of the present embodiment optionally also comprises one the 3rd conductive pattern 604, a decorating unit 606, an insulation course 608 and an oxide layer 610.Method for making and the structure of touch pad 600 of the present embodiment will be further illustrated below.The method for making of the touch pad of the present embodiment comprises the following step sequentially carrying out:
Step S10: substrate 102 is provided;
Step S12: form the 3rd conductive pattern 604 on the substrate 102 of photic zone 102a;
Step S14: form decorating unit 606 on the substrate 102 of shading region 102b;
Step S16: form the second conductive pattern 106 on decorating unit 606;
Step S18: cover insulation course 608 on the second conductive pattern 106 and the 3rd conductive pattern 604;
Step S20: form the first conductive pattern 104 on the substrate 102 of insulation course 608 and photic zone 102a; And
Step S22: capping oxidation layer 610 on the first conductive pattern 104 and insulation course 608.
Between step S10 and step S12, can select to form one silica layer (SiO2); In step S12, the 3rd conductive pattern 604 is arranged on the substrate 102 of photic zone 102a, and can comprise multiple bridged electrodes (not shown), is positioned at same row or contre electrode 108 and peripheral electrode 110 with a line for connecting.In step S14, decorating unit 606 is arranged on the substrate 102 of shading region 102b, and has one first opening 606a, exposes photic zone 102a.And decorating unit 606 can comprise at least one decorative layer, and decorative layer has the insulating material of shading characteristic, for example: pottery, color ink, photoresistance, class bore charcoal or resin material at least one of them, for covering light tight assembly, but be not limited to this.In alternate embodiment of the present utility model, before the step of formation decorating unit also can be carried out at the step that forms the 3rd conductive pattern.In step S16, because the second conductive pattern 106 is positioned on decorating unit 606, therefore decorating unit 606 can be used for covering the second conductive pattern 106.In step S18, insulation course 608 has one second opening 608a, exposes the connecting electrode 116 of the second conductive pattern 106.In step S20, the first conductive pattern 104 is to extend to the second opening 608a across ground-electrode 602 from photic zone 102a, to be connected with connecting electrode 116.Because insulation course 608 is between ground-electrode 602 and the first conductive pattern 104, therefore ground-electrode 602 and the first conductive pattern 104 are electrically insulated.In step S22, oxide layer 610 is covered on the first conductive pattern 104 and insulation course 608, and oxide layer 610 can comprise monox, but is not limited to this.In alternate embodiment of the present utility model, the step that forms the second conductive pattern can be exchanged mutually with the step that forms the first conductive pattern.That is to say, after the step that forms decorating unit and the 3rd conductive pattern, can first form the step of the first conductive pattern, and then sequentially form the step and the step that forms the second conductive pattern of insulation course.In addition, after forming oxide layer 610, also alternative covers another insulation course again in oxide layer 610 comprehensively.
Please refer to Figure 13.Figure 13 shows that the schematic diagram of the decorating unit of the 7th embodiment of the present utility model.As shown in figure 13, decorating unit 606 can comprise at least two decorative layers, and the material of at least two decorative layers is a pottery, a color ink, a photoresistance, class brill charcoal or one of them of a resin or the insulating material that above-mentioned at least bi-material forms.Decorating unit 606 forms a staircase structure, to avoid the sidewall of decorating unit 606 and the surperficial angle of substrate 102 too high, make the follow-up decorating unit 606 that is stacked in can avoid producing because turning angle is excessive with the first conductive pattern 104 on substrate 102 problem breaking.For instance, the decorating unit 606 of the present embodiment comprises one first decorative layer 612, one second decorative layer 614, one the 3rd decorative layer 616 and a light shield layer 618, and the first decorative layer 612, the second decorative layer 614, the 3rd decorative layer 616 and light shield layer 618 are sequentially stacked on substrate 102 on the projecting direction of vertical substrate 102.The lower surface 612a of the first decorative layer 612 is greater than the first decorative layer 612 upper surface 612b along the width in the direction of parallel substrate 102 is along the width in the direction of parallel substrate 102, the sidewall 612c that makes the first decorative layer 612 is dip plane, and the angle on dip plane and substrate 102 surfaces is greater than 90 degree.Similarly, the lower surface 614a that is arranged on the second decorative layer 614 on the first decorative layer 612 is less than the first decorative layer 612 upper surface 612b along the width in the direction of parallel substrate 102 is along the width in the direction of parallel substrate 102, and the upper surface 614b that is greater than the second decorative layer 614 is along the width in the direction of parallel substrate 102, make the sidewall 614c of the second decorative layer 614 also can be dip plane, and the angle of the upper surface 612a of dip plane and the first decorative layer 612 is greater than 90 degree.Hence one can see that, and sidewall 614c and the upper surface 614b of the sidewall 612c of the first decorative layer 612 and upper surface 612a, the second decorative layer 614 form a staircase structure.In addition, the 3rd decorative layer 616 is covered on the upper surface 614b and sidewall 614c of the second decorative layer 614, and light shield layer 618 is arranged on the 3rd decorative layer 616.In other embodiment of the present utility model, also can arrange in pairs or groups other decorative layer of staircase structure forms.In addition, the first decorative layer, the second decorative layer and the 3rd decorative layer of the present embodiment is white, and light shield layer is black, but be not limited to this, in other embodiment of the present utility model, the color of the first decorative layer, the second decorative layer, the 3rd decorative layer and light shield layer can be other color, and adjusts according to required Art Design.
Please refer to Figure 14.Figure 14 shows that the another change type of the decorating unit of the 7th embodiment of the present utility model.As shown in figure 14, the decorating unit 606 of this change type is that with the difference of above-mentioned decorating unit the decorating unit 606 of this change type is made up of single decorative layer 620, and decorating unit 606 has staircase structure, the material of decorative layer is a pottery, a color ink, a photoresistance, class brill charcoal or one of them of a resin or the insulating material that above-mentioned at least bi-material forms.Specifically, decorative layer 620 comprises bottom 620a and top 620b, and the sidewall on top and the upper surface of bottom are connected.That is to say, bottom 620a is greater than top 620b along the width in the direction of parallel substrate 102 along the width in the direction of parallel substrate 102.
Please refer to Figure 15.Figure 15 shows that the cut-open view of the touch pad of the 8th embodiment of the present utility model.As shown in figure 15, the 8th embodiment of the present utility model provides a touch pad 700, and the places different from the touch pad 600 of above-mentioned the 7th embodiment are, the touch pad 700 of the present embodiment does not comprise ground-electrode.And the decorating unit 606 of the present embodiment also can have staircase structure.For instance, the decorating unit 606 of the present embodiment also can comprise at least two decorative layers, the first decorative layer 612 and the second decorative layer 614, and the first decorative layer 612 of decorating unit 606 and the second decorative layer 614 form staircase structure, as shown in figure 13.Or the decorating unit 606 of the present embodiment also can comprise single decorative layer 620, and decorating unit 606 has staircase structure, as shown in figure 14.
The first conductive pattern in photic zone of the present utility model is not limit the two-layer electrode as shown in Figure 1A, Figure 1B, Figure 11 and Figure 15, can be the design of single-layer electrodes (one layer electrode) pattern yet.Please refer to Figure 16.Figure 16 shows that the cut-open view of the touch pad of the 9th embodiment of the present utility model.As shown in figure 16, the 9th embodiment of the present utility model provides a touch pad 800, the places different from the touch pad 600 of above-mentioned the 7th embodiment are, the touch pad 800 of the present embodiment can be the design of single-layer electrodes (one layer electrode) pattern, wherein touch pad 800 only comprises the first conductive pattern 104 of individual layer, and does not comprise the 3rd conductive pattern and insulation course.In alternate embodiment of the present utility model, the touch pad of the 8th embodiment also can be the design of single-layer electrodes (one layer electrode) pattern.
Please refer to Figure 17 and Figure 18.Figure 17 shows that the vertical view of the touch pad of the tenth embodiment of the present utility model, and Figure 18 shows that the cut-open view of Figure 17 along Section line C-C '.As shown in Figure 17 and Figure 18, the tenth embodiment of the present utility model provides a touch pad 900.The places different from above-mentioned the first embodiment are, the connecting line 902 of the touch pad 900 of the present embodiment is not bent to the border perpendicular to photic zone 102a, but each connecting portion 904 extends to corresponding connecting line 902 and is electrically connected along the direction on the border perpendicular to photic zone 102a.And the second conductive pattern 106 also comprises an interior ground wire 906, be arranged between connecting line 902 and photic zone 102a, and interior ground wire 906 is sequentially arranged to the border away from photic zone 102a from the border that approaches photic zone 102a with connecting line 902.Connecting line 902 from inside to outside sequentially with by left and right connecting portion 904 is electrically connected, and towards right extension, therefore each connecting portion 904 and interior ground wire 906 and to be arranged on connecting line 902 between connecting line 902 and the interior ground wire 906 of its electric connection staggered, be wherein arranged on connecting line 902 between connecting line 902 and interior ground wire 906 that each connecting portion 904 is electrically connected and be for the staggered but connecting line 902 of electric connection not of each connecting portion 904.Specifically, each connecting portion 904 can be staggered with interior ground wire 906, and except leftmost connecting portion 904, and it is staggered that remaining connecting portion 904 can and be arranged on connecting line 902 between connecting line 902 and the interior ground wire 906 of its electric connection.For electrical isolation connecting portion 904 and staggered connecting line 902 and the interior ground wire 906 not being electrically connected, touch pad 900 also comprises an insulation course 908, is arranged on each connecting portion 904 and is arranged between the connecting line 902 and interior ground wire 906 between connecting line 902 and the interior ground wire 906 of its electric connection.For instance, connecting line 902 comprises the first connecting line 902a and the second connecting line 902b, and connecting portion 904 comprises the first connecting portion 904a and the second connecting portion 904b.Wherein, the first connecting portion 904a and the second connecting portion 904b extend on decorating unit 910 along second direction 114, and insulation course 908 is arranged on the first connecting portion 904a and the second connecting portion 904b.The first connecting line 902a is across the second connecting portion 904b, and it is upper to extend to the first connecting portion 904a along first direction 112, and contacts with the first connecting portion 904a.Insulation course 908 is arranged on the staggered place of the first connecting line 902a and the second connecting portion 904b, and between the first connecting line 902a and the second connecting portion 904b, with electrical isolation the first connecting line 902a and the second connecting portion 904b.It is upper that the second connecting line 902b extends to the second connecting portion 904b along first direction 112, and contact with the second connecting portion 904b.And, interior ground wire 906 extends along first direction 112, and across the first connecting portion 904a and the second connecting portion 904b, and insulation course 908 is arranged on the staggered place of interior ground wire 906 and the first connecting portion 904a and the second connecting portion 904b, and between interior ground wire 906 and the first connecting portion 904a and the second connecting portion 904b, with ground wire in electrical isolation 906 and the first connecting portion 904a and interior ground wire 906 and the second connecting portion 904b.
Please refer to Figure 19 and Figure 20.Figure 19 shows that the vertical view of the touch pad of the 11 embodiment of the present utility model, and Figure 20 shows that the cut-open view of Figure 19 along Section line D-D '.As shown in Figure 19 and Figure 20, the 11 embodiment of the present utility model provides a touch pad 1000.The places different from above-mentioned the tenth embodiment are, the second conductive pattern 106 of the touch pad 1000 of the present embodiment is arranged between the first conductive pattern 104 and substrate 102.Specifically, the first conductive pattern 104 and connecting line 902 and interior ground wire 906 are arranged between connecting portion 904 and decorating unit 910.And, insulation course 908 is arranged on each connecting line 902 and the connecting portion 904 not being electrically connected and the staggered place of interior ground wire 906, and at each connecting line 902 and between the connecting portion 904 and interior ground wire 906 that are not electrically connected, with each connecting line 902 and the connecting portion 904 and the interior ground wire 906 that are not electrically connected of being electrically insulated.
Please refer to Figure 21 and Figure 22.Figure 21 is depicted as the vertical view of the touch pad of the 12 embodiment of the present utility model, and Figure 22 is depicted as the cut-open view of Figure 21 along Section line E-E '.As shown in Figure 21 and Figure 22, the 12 embodiment of the present utility model provides a touch pad 1100.The places different from above-mentioned the first embodiment are, the second conductive pattern 106 of the touch pad 1100 of the present embodiment is arranged between the first conductive pattern 104 and substrate 102.And, touch pad 1100 also comprises an insulation course 1102, be arranged between the first conductive pattern 104 and the second conductive pattern layer 106, and insulation course 1102 has at least one perforation 1102a, be arranged on the overlapping region of each connecting electrode 116 and each connecting portion 120, each connecting portion 120 can be electrically connected by perforation 1102a and each connecting electrode 116.It is worth mentioning that; first conductive pattern 104 of the present embodiment also comprises many protective wires 1104; and the width of each protective wire 1104 is greater than the width of each connecting line 118, each protective wire 1104 is covered on the projecting direction of vertical substrate 102 and cover each connecting line 118.Thus, in the time forming the step of the first conductive pattern 104, for example, for the etching solution of the material of etching the first conductive pattern 104: chloroazotic acid, is not easy eating thrown insulation course 1102 and destroys connecting line 118 because being protected stopping of line 1104.Therefore, connecting line 118 can be avoided opening circuit.In addition, each protective wire 1104 is not connected each other, and is not connected with connecting portion 120, and with connecting portion 120 not conducting each other electrically.Substrate 102 has a connection gasket district 102c and is positioned at shading region 102b, and each connecting line 118 extends in the connection gasket district 102c of substrate 102 from the one end being connected with each connecting electrode 116.Connection gasket district 102c can be used for arranging flexible circuit board, each connecting line 118 can be electrically connected in connection gasket district 102c, to be electrically connected to extraneous Control Component by flexible circuit board with flexible circuit board.And; the first conductive pattern 104 also comprises multiple guard electrodes 1106; be separately positioned on the each connecting line 118 in connection gasket district 102c; and be electrically connected with each connecting line 118; and the width of each guard electrode 1106 is greater than the width of each connecting line 118; each guard electrode 1106 is covered on the projecting direction of vertical substrate 102 and cover each connecting line 118, to protect each connecting line 118 to avoid the erosion of etching solution.Protective wire 1104 extends to and approaches connection gasket district 102c, but is not connected with guard electrode 1106.Hence one can see that, and protective wire 1104, connecting portion 120 are not connected each other with guard electrode 1106, and namely not conducting each other electrically makes the capacitive load effect of each connecting line 118 would not be protected the impact of line 1104, and can effectively be reduced.Aforesaid guard electrode 1106 also can optionally be omitted.
The first conductive pattern of touch pad of the present utility model and interior ground wire also can be different from above-described embodiment.Please refer to Figure 23, Figure 23 is depicted as the touch pad of the 13 embodiment of the present utility model.As shown in figure 23, the 13 embodiment of the present utility model provides a touch pad 1200.The places different from above-mentioned the first embodiment are, first conductive pattern 104 of the present embodiment comprises multiple the first electrode 1202a and multiple the second electrode 1202b, and the first electrode 1202a is in order to receive a driving signal; And the second electrode 1202b is in order to a sensing signal is passed back to a controller, to judge touch coordinate.Each the first electrode 1202a and each the second electrode 1202b sequentially arrange along second direction 114, and each the first electrode 1202a trims in the face of the rough side of facing shading region 102b with each the second electrode 1202b of the side of shading region 102b in second direction 114.And, touch pad 1200 also comprises an interior ground wire 1204, be arranged between the connecting line 1206 and the second electrode 1202b extending along second direction 114, in order to the connecting line 1206 of shielding transmission driving signal and in order to receive the second electrode 1202b of sensing signal, and the sensing signal of avoiding transmitted driving signal to disturb the second electrode 1202b to receive.Moreover the touch pad 1200 of the present embodiment comprises an insulation course 1208, be arranged between interior ground wire 1204 and connecting line 1206, in order to ground wire in electrical isolation 1204 and connecting line 1206.In other embodiment, the insulation course being arranged between different connecting lines and interior ground wire also can be connected with each other.In addition, the interior ground wire 1204 of the present embodiment is not limited with shown in Figure 23 with the width of connecting line 1206, and can do corresponding adjustment according to actual demand, general preferred design, and the width of interior ground wire 1204 can be more than or equal to the width of connecting line 1206.
Please refer to Figure 24, Figure 24 is depicted as the touch pad of the 14 embodiment of the present utility model.As shown in figure 24, the 14 embodiment of the present utility model provides a touch pad 1300.The places different from above-mentioned the 14 embodiment are, each first electrode 1202a of the present embodiment does not trim in the face of the side of shading region 102b with each the second electrode 1202b in the face of the side of shading region 102b, but each the first electrode 1202a extends in the 102b of shading region, but each the second electrode 1202b does not extend in the 102b of shading region.And the interior ground wire 1204 of the present embodiment extends along second direction 114, and across the first electrode 1202a, but not staggered with the second electrode 1202b; Interior ground wire 1204, be arranged between the connecting line 1206 and the second electrode 1202b extending along second direction 114, in order to the connecting line 1206 of shielding transmission driving signal and in order to receive the second electrode 1202b of sensing signal, and the sensing signal of avoiding transmitted driving signal to disturb the second electrode 1202b to receive.Moreover the insulation course 1208 of the touch pad 1300 of the present embodiment is arranged between interior ground wire 1204 and the first electrode 1202a, in order to ground wire in electrical isolation 1204 and the first electrode 1202a.In other embodiment, the insulation course being arranged between different the first electrodes and interior ground wire also can be connected with each other.In addition, the interior ground wire 1204 of the present embodiment is not also limited with shown in Figure 24 with the width of connecting line 1206, and can do corresponding adjustment according to actual demand, general preferred design, and the width of interior ground wire 1204 can be more than or equal to the width of connecting line 1206.
In sum, when touch pad of the present utility model is between the first side at each connecting portion or respectively in the same plane with each first side in the end points of each electrode part, the second side of each connecting electrode is between the first side of each connecting portion, to increase the spacing of each connecting electrode and adjacent each connecting portion, and then avoid the connecting electrode excessive caused because of fabrication error and the situation of two adjacent connecting portion short circuits to occur.And touch pad of the present utility model is in the first side of each connecting portion between the end points at each electrode part time, the first side of each connecting portion is between the second side of each connecting electrode, to avoid electrostatic breakdown contre electrode and peripheral electrode.Moreover, each connecting electrode of touch pad of the present utility model is to extend on substrate from each connecting portion, make each connecting line can connect respectively not overlapping with the each connecting portion part of each connecting electrode, can avoid whereby each connecting line and being connected of each connecting electrode to produce situation about breaking.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (61)

1. a touch pad, is characterized in that, comprising:
One substrate, has a shading region and a photic zone;
One first conductive pattern, be arranged on described substrate, described the first conductive pattern comprises multiple peripheral electrodes, and at least the described peripheral electrode of part extends to described shading region from described photic zone respectively, each described peripheral electrode comprises a junction, wherein each described connecting portion has two first sides respect to one another, and between the described first side of each described connecting portion, has one first spacing; And
One second conductive pattern, its at least a portion is arranged on the described substrate of described shading region, described the second conductive pattern comprises multiple connecting electrodes, and each described connecting electrode partly overlaps and is electrically connected with each described connecting portion respectively, wherein each described connecting electrode has two second sides respect to one another, between the described second side of each described connecting electrode, there is one second spacing, and described second side is between described first side.
2. touch pad as claimed in claim 1, it is characterized in that, at least the described connecting portion of the described peripheral electrode of part is in described shading region, and described the first conductive pattern also comprises multiple contre electrodes, be arranged in described photic zone, and each described contre electrode has one first breadth extreme in the direction on the border of parallel described photic zone.
3. touch pad as claimed in claim 2, is characterized in that, described the first spacing is equal to or less than described the first breadth extreme.
4. touch pad as claimed in claim 2, is characterized in that, described the second spacing is less than described the first breadth extreme.
5. touch pad as claimed in claim 1, it is characterized in that, each described peripheral electrode also comprises an electrode part, and each described electrode part has two end points in the direction on the border of parallel described photic zone, and has one second breadth extreme between the described end points of each described electrode part.
6. touch pad as claimed in claim 5, is characterized in that, described the first spacing is more than or equal to described the second breadth extreme.
7. touch pad as claimed in claim 5, is characterized in that, the described end points of each described electrode part is between the described first side of each described connecting portion.
8. touch pad as claimed in claim 5, is characterized in that, described the second spacing is greater than described the second breadth extreme.
9. touch pad as claimed in claim 5, is characterized in that, the described end points of each described electrode part is between the described second side of each described connecting electrode.
10. touch pad as claimed in claim 5, is characterized in that, each described end points and each described first side are in the same plane.
11. touch pads as claimed in claim 1, is characterized in that, described the second conductive pattern also comprises many connecting lines, and each described connecting line connects respectively not overlapping with the each described connecting portion part of each described connecting electrode.
12. touch pads as claimed in claim 11, is characterized in that, described the second conductive pattern also comprises an interior ground wire, are arranged between described connecting electrode and described photic zone.
13. touch pads as claimed in claim 12, is characterized in that, each described connecting portion and described interior ground wire and to be arranged on described connecting line between described connecting line and the described interior ground wire of its electric connection staggered.
14. touch pads as claimed in claim 13, it is characterized in that, also comprise an insulation course, be arranged on each described connecting portion and described interior ground wire and each described connecting portion and be arranged between the described connecting line between described connecting line and the described interior ground wire of its electric connection.
15. touch pads as claimed in claim 11; it is characterized in that; described the second conductive pattern is arranged between described the first conductive pattern and described substrate; wherein said the first conductive pattern also comprises many protective wires, and each described protective wire covers each described connecting line on the projecting direction of vertical described substrate.
16. touch pads as claimed in claim 15, is characterized in that, the width of each described protective wire is greater than the width of each described connecting line.
17. touch pads as claimed in claim 15; it is characterized in that; each described connecting line extends in a connection gasket district of described substrate, and described the first conductive pattern also comprises multiple guard electrodes, on the each described connecting line in the described connection gasket district being separately positioned on.
18. touch pads as claimed in claim 17, is characterized in that, described protective wire, described connecting portion and described guard electrode are not connected each other.
19. touch pads as claimed in claim 11, it is characterized in that, described the first conductive pattern comprises multiple the first electrodes and multiple the second electrode, each described the first electrode and each described the second electrode are sequentially arranged along a direction, and described the second conductive pattern also comprises an interior ground wire, be arranged between the described connecting line and described the second electrode extending along described direction.
20. touch pads as claimed in claim 19, is characterized in that, side and each described second electrode surface of each described the first electrode surface to described shading region trims in described direction the side of described shading region.
21. touch pads as claimed in claim 19, it is characterized in that, each described the first electrode surface does not trim the side of described shading region with each described the second electrode surface the side of described shading region in described direction, and described interior ground wire is across described the first electrode, and not staggered with described the second electrode.
22. touch pads as claimed in claim 1, is characterized in that, described the first conductive pattern comprises a transparent conductive material.
23. touch pads as claimed in claim 1, is characterized in that, each described connecting portion is arranged between each described connecting electrode and described substrate.
24. touch pads as claimed in claim 1, is characterized in that, each described connecting electrode is arranged between each described connecting portion and described substrate.
25. touch pads as claimed in claim 1, is characterized in that, each described connecting electrode comprises multiple holes.
26. touch pads as claimed in claim 1, is characterized in that, also comprise a decorating unit, are arranged between described the second conductive pattern and described substrate.
27. touch pads as claimed in claim 26, it is characterized in that, described decorating unit comprises at least two decorative layers, and described decorating unit forms a staircase structure, and the material of described at least two decorative layers is a pottery, a color ink, a photoresistance, class brill charcoal or one of them of a resin or the insulating material that above-mentioned at least bi-material forms.
28. touch pads as claimed in claim 26, it is characterized in that, described decorating unit comprises a decorative layer, and described decorating unit have a staircase structure.
29. touch pads as claimed in claim 1, is characterized in that, described the second conductive pattern also comprises a ground-electrode, are arranged between described connecting electrode and described photic zone.
30. touch pads as claimed in claim 29, is characterized in that, also comprise an insulation course, are arranged between described the first conductive pattern and described ground-electrode.
31. 1 kinds of touch pads, is characterized in that, comprising:
One substrate, has a shading region and a photic zone;
One first conductive pattern, be arranged on described substrate, described the first conductive pattern comprises multiple peripheral electrodes, and at least the described peripheral electrode of part extends to described shading region from described photic zone respectively, each described peripheral electrode comprises a junction, wherein each described connecting portion has two first sides respect to one another, and between the described first side of each described connecting portion, has one first spacing; And
One second conductive pattern, its at least a portion is arranged on the described substrate of described shading region, described the second conductive pattern comprises multiple connecting electrodes, and each described connecting electrode and each described connecting portion partly overlap and are electrically connected, wherein each described connecting electrode has two second sides respect to one another, between the described second side of each described connecting electrode, there is one second spacing, be equal to or less than described the first spacing.
32. touch pads as claimed in claim 31, wherein at least the described connecting portion of part is in described shading region, and the described first side of each described connecting portion is between the described second side of each described connecting electrode.
33. touch pads as claimed in claim 31, is characterized in that, the each described first side of each described connecting portion is in alignment with each other in fact with each described second side respectively and is in the same plane.
34. touch pads as claimed in claim 31, is characterized in that, described the first conductive pattern also comprises multiple contre electrodes, be arranged in described photic zone, and each described contre electrode have one first breadth extreme in the direction on the border of parallel described photic zone.
35. touch pads as claimed in claim 34, is characterized in that, described the first spacing is less than described the first breadth extreme.
36. touch pads as claimed in claim 34, is characterized in that, described the second spacing is less than described the first breadth extreme.
37. touch pads as claimed in claim 31, it is characterized in that, each described peripheral electrode also comprises an electrode part, and each described electrode part has two end points in the direction on the border of parallel described photic zone, and has one second breadth extreme between the described end points of each described electrode part.
38. touch pads as claimed in claim 37, is characterized in that, described the first spacing is less than described the second breadth extreme.
39. touch pads as claimed in claim 37, is characterized in that, the described first side of each described connecting portion is between the described end points of each described electrode part.
40. touch pads as claimed in claim 37, is characterized in that, described the second spacing is less than described the second breadth extreme.
41. touch pads as claimed in claim 37, is characterized in that, the described second side of each described connecting electrode is between the described end points of each described electrode part.
42. touch pads as claimed in claim 31, is characterized in that, described the second conductive pattern also comprises many connecting lines, and each described connecting line connects respectively not overlapping with the each described connecting portion part of each described connecting electrode.
43. touch pads as claimed in claim 42, is characterized in that, described the second conductive pattern also comprises an interior ground wire, are arranged between described connecting electrode and described photic zone.
44. touch pads as claimed in claim 43, is characterized in that, each described connecting portion and described interior ground wire and to be arranged on described connecting line between described connecting line and the described interior ground wire of its electric connection staggered.
45. touch pads as claimed in claim 44, it is characterized in that, also comprise an insulation course, be arranged on each described connecting portion and described interior ground wire and each described connecting portion and be arranged between the described connecting line between described connecting line and the described interior ground wire of its electric connection.
46. touch pads as claimed in claim 42; it is characterized in that; described the second conductive pattern is arranged between described the first conductive pattern and described substrate; wherein said the first conductive pattern also comprises many protective wires, and each described protective wire covers each described connecting line on the projecting direction of vertical described substrate.
47. touch pads as claimed in claim 46, is characterized in that, the width of each described protective wire is greater than the width of each described connecting line.
48. touch pads as claimed in claim 46; it is characterized in that; each described connecting line extends in a connection gasket district of described substrate, and described the first conductive pattern also comprises multiple guard electrodes, on the each described connecting line in the described connection gasket district being separately positioned on.
49. touch pads as claimed in claim 48, is characterized in that, described protective wire, described connecting portion and described guard electrode are not connected each other.
50. touch pads as claimed in claim 42, it is characterized in that, described the first conductive pattern comprises multiple the first electrodes and multiple the second electrode, each described the first electrode and each described the second electrode are sequentially arranged along a direction, and described the second conductive pattern also comprises an interior ground wire, be arranged between the described connecting line and described the second electrode extending along described direction.
51. touch pads as claimed in claim 50, is characterized in that, side and each described second electrode surface of each described the first electrode surface to described shading region trims in described direction the side of described shading region.
52. touch pads as claimed in claim 50, it is characterized in that, each described the first electrode surface does not trim the side of described shading region with each described the second electrode surface the side of described shading region in described direction, and described interior ground wire is across described the first electrode, and not staggered with described the second electrode.
53. touch pads as claimed in claim 31, is characterized in that, described the first conductive pattern comprises a transparent conductive material.
54. touch pads as claimed in claim 31, is characterized in that, each described connecting portion is arranged between each described connecting electrode and described substrate.
55. touch pads as claimed in claim 31, is characterized in that, each described connecting electrode is arranged between each described connecting portion and described substrate.
56. touch pads as claimed in claim 31, is characterized in that, each described connecting electrode comprises multiple holes.
57. touch pads as claimed in claim 31, is characterized in that, also comprise a decorating unit, are arranged between described the second conductive pattern and described substrate.
58. touch pads as claimed in claim 57, it is characterized in that, described decorating unit comprises at least two decorative layers, and described decorative layer form a staircase structure.
59. touch pads as claimed in claim 57, it is characterized in that, described decorating unit comprises a decorative layer, and described decorative layer have a staircase structure.
60. touch pads as claimed in claim 31, is characterized in that, described the second conductive pattern also comprises a ground-electrode, are arranged between described connecting electrode and described photic zone.
61. touch pads as claimed in claim 60, is characterized in that, also comprise an insulation course, are arranged between described the first conductive pattern and described ground-electrode.
CN201320797336.6U 2013-06-13 2013-12-04 Touch panel Expired - Fee Related CN203616740U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW102120969A TW201447666A (en) 2013-06-13 2013-06-13 Touch panel
TW102120969 2013-06-13

Publications (1)

Publication Number Publication Date
CN203616740U true CN203616740U (en) 2014-05-28

Family

ID=50769370

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201320797336.6U Expired - Fee Related CN203616740U (en) 2013-06-13 2013-12-04 Touch panel
CN201310653657.3A Pending CN104238847A (en) 2013-06-13 2013-12-04 Touch panel

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201310653657.3A Pending CN104238847A (en) 2013-06-13 2013-12-04 Touch panel

Country Status (4)

Country Link
US (1) US20140368755A1 (en)
CN (2) CN203616740U (en)
DE (1) DE202014004923U1 (en)
TW (1) TW201447666A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104238847A (en) * 2013-06-13 2014-12-24 胜华科技股份有限公司 Touch panel

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103809796B (en) * 2012-11-09 2018-03-16 宝宸(厦门)光学科技有限公司 Touch-control sensing electrode structure and its manufacture method
TWI528236B (en) * 2013-10-23 2016-04-01 恆顥科技股份有限公司 Touch panel and method for manufacturing the same
CN104571667B (en) * 2013-10-26 2018-05-29 宝宸(厦门)光学科技有限公司 Touch panel and its manufacturing method
KR102211968B1 (en) * 2013-12-02 2021-02-05 삼성디스플레이 주식회사 Touch panel, display apparatus and method for manufacturing touch panel
KR102060798B1 (en) * 2014-11-13 2019-12-31 삼성디스플레이 주식회사 Touch Screen Panel
CN104360785A (en) * 2014-12-02 2015-02-18 合肥鑫晟光电科技有限公司 Touch screen panel, touch screen and display device
KR102313489B1 (en) * 2015-01-21 2021-10-18 삼성디스플레이 주식회사 Touch panel and display apparatus having the same
KR102325190B1 (en) * 2015-04-13 2021-11-10 삼성디스플레이 주식회사 Touch panel
CN104834426B (en) * 2015-05-22 2018-07-27 京东方科技集团股份有限公司 Fingerprint recognition device, touch panel and display device
CN106502438B (en) * 2015-09-06 2024-03-29 宸鸿科技(厦门)有限公司 Touch panel and manufacturing method thereof
CN105467643B (en) * 2015-12-08 2018-01-19 上海天马微电子有限公司 Integrated touch display panel and touch display device
EP3447616B1 (en) * 2016-04-19 2021-06-09 Alps Alpine Co., Ltd. Capacitive sensor
KR101998831B1 (en) 2016-07-29 2019-07-11 삼성디스플레이 주식회사 Display apparatus
CN106325601B (en) 2016-08-25 2023-11-28 合肥鑫晟光电科技有限公司 Touch screen, display device and preparation method of touch screen
US10915193B2 (en) 2016-08-25 2021-02-09 Hefei Xinsheng Optoelectronics Technology Co., Ltd. Touch panel, display device and manufacturing method of touch panel
CN107908319B (en) * 2018-01-03 2021-08-06 京东方科技集团股份有限公司 Touch substrate and display device
KR102464252B1 (en) * 2018-03-06 2022-11-08 삼성디스플레이 주식회사 Touch sensor
KR102611671B1 (en) * 2018-09-19 2023-12-08 삼성디스플레이 주식회사 Touch sensing unit and display apparatus having the same
KR102658438B1 (en) * 2019-03-21 2024-04-19 삼성디스플레이 주식회사 Display device
US12124661B2 (en) * 2021-02-22 2024-10-22 Chengdu Boe Optoelectronics Technology Co., Ltd. Display substrate and display device

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7920129B2 (en) * 2007-01-03 2011-04-05 Apple Inc. Double-sided touch-sensitive panel with shield and drive combined layer
TW201040818A (en) * 2009-05-08 2010-11-16 Sintek Photronic Corp Capacitive touch panel structure with high optical uniformity
TW201145132A (en) * 2010-03-11 2011-12-16 Alps Electric Co Ltd Translucent inputting device
CN201897781U (en) * 2010-06-24 2011-07-13 天马微电子股份有限公司 Capacitive touch screen
KR20120065687A (en) * 2010-12-13 2012-06-21 삼성모바일디스플레이주식회사 Touch screen panel
JP5730593B2 (en) * 2011-01-26 2015-06-10 株式会社ジャパンディスプレイ Touch screen or display device with touch screen and manufacturing method thereof.
CN102955603B (en) * 2011-08-17 2016-05-25 宸鸿科技(厦门)有限公司 Contact panel and manufacture method thereof
TWI471774B (en) * 2011-09-30 2015-02-01 Wintek Corp Touch-sensitive device and touch-sensitive display device
WO2013069289A1 (en) * 2011-11-11 2013-05-16 パナソニック株式会社 Touch-panel device
KR101661043B1 (en) * 2011-11-17 2016-09-28 군제 가부시키가이샤 Touch panel, and method for producing same
TWI446244B (en) * 2011-11-25 2014-07-21 Wistron Corp Touch panel border without color difference and manufacturing method thereof
CN202422063U (en) * 2011-12-25 2012-09-05 宸鸿科技(厦门)有限公司 Touch panel
CN103186273B (en) * 2011-12-29 2016-10-05 宸鸿科技(厦门)有限公司 Contactor control device and manufacture method thereof
CN103294238A (en) * 2012-03-01 2013-09-11 瀚宇彩晶股份有限公司 Touch control display device
CN202632243U (en) * 2012-04-17 2012-12-26 宸鸿科技(厦门)有限公司 Touch panel
TW201447666A (en) * 2013-06-13 2014-12-16 Wintek Corp Touch panel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104238847A (en) * 2013-06-13 2014-12-24 胜华科技股份有限公司 Touch panel

Also Published As

Publication number Publication date
DE202014004923U1 (en) 2014-09-09
CN104238847A (en) 2014-12-24
US20140368755A1 (en) 2014-12-18
TW201447666A (en) 2014-12-16

Similar Documents

Publication Publication Date Title
CN203616740U (en) Touch panel
US9117413B2 (en) Touch panel and touch display device
TWI585659B (en) Capacitive touch panel and method for fabricating touch panel reducing visibility of its metal conductor
CN205334426U (en) touch display device
CN104635981B (en) Touch module and the touch control display apparatus with the touch module
TWI525646B (en) Touch sensing screen and manufacturing method thereof
JP5439565B2 (en) Touch panel and manufacturing method thereof
US20130229364A1 (en) Touch display device
CN201622557U (en) Improved touch panel
CN203658973U (en) Touch pad and touch screen
CN102760010A (en) Touch display panel and touch liquid crystal display panel
CN203894720U (en) Touch control device
CN203658976U (en) Covering plate and touch panel
CN104808824A (en) Touch board
CN102129135A (en) touch display device
CN103513818A (en) Touch control device and electrostatic screening method thereof
TWI620103B (en) Touch panel
CN103376939A (en) Touch panel, touch display panel and manufacture method of touch panel
TWI463387B (en) Capacitive touch panel
JP2015011493A (en) Input device
TWI518571B (en) Touch device and driving method thereof
KR20130084976A (en) Touch display and electronic apparatus
JP3182005U (en) Touch panel
CN103699250A (en) touch display module and handheld electronic device
US20140177137A1 (en) Touch panel

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140528

Termination date: 20141204

EXPY Termination of patent right or utility model